fdisk -h
ping hostname or nslookup hostname For more details: http://www.zilckh.com/how-to-find-ip-address-from-hostname-in-a-windows-system-using-command-line/
Depending on what operating system you have - if it is a Windows system then use the 'ipconfig /all' command. Look for the 'default gateway' address. This is the address to your internet. For Unix based systems, use the 'ifconfig -a' command and/or netstat command to get the same info.
Almost all Unix/Linux systems use the 'df' command to find out how big the partition is, how much is in use, and the percentage of the system in use. This command must be used in a command window.
whereis [name of program]
If an individual has the same username on the systems being check up on, they could use the command "$ ssh host who" at the prompt for who. This would bring up the listings for all the people who have logged on or off within a certain period of time on this particular system.
It depends on what information you are looking for, and the exact Unix system you are using. Take a look at the 'man ps' command on your system to find out the switches that give the information you are most interested in looking at.
Press F1 to start the Help system. In the Search box, type the command you want help for and you can get it that way. For a function, it can be done when using the Insert Function facility, where you can find functions and get help on them.
It depends on the operating system you are using. Most windows systems use the 'ipconfig' command to look at the network adaptor configuration, whereas Unix/Linux use the 'ifconfig' command.
find
The -exec option executes the following command on a target of the 'find' command.
Use "Find" to locate all instances of a word.
PS -e|cut -d " " -fname|wc -l